NEW YORK, Feb 28 (Reuters) - U.S. stock index futures
pointed to a slightly lower open on Wall Street Friday, with the
S&P 500 coming off a record close and after the U.S. government
slashed its estimate for fourth-quarter economic growth.

* GDP was estimated to have grown at an annual rate of 2.4
percent in the quarter, the Commerce Department said, down
sharply from its estimate last month of 3.2 percent growth, and
4.1 percent in the third quarter. Analysts had expected growth
of 2.5 percent.

* The report was the latest in a string of indicators to
come in below forecasts, which many analysts have pinned to a
severe winter rather than worsening fundamentals. Stocks rose on
Thursday after Federal Reserve Chair Janet Yellen indicated
support for this theory.
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